This course will teach you how to make your Arduino-based Android applications using App Inventor even without previous coding experience. It starts by defining what App Inventor is its main features and why it is so popular and easy to use. What you can build with App Inventor its blocking structure and related challenges will be comprehended. You will learn about App Inventor's system requirements main components and application architecture.The course then explains how to download and install App Inventor on your device. App Inventor user interface with practical examples will next be discussed. Following that the course focuses on practical examples and building applications. First you will create an Android app that turns an LED on and off and logs you into the protected LED controller. Next you will discover how to build a slider that controls the LED brightness. Also regulating the colour of an RGB LED reading the temperature with the sensor and displaying the values on the application will be comprehended.Next you will learn how to build an Android App that controls a lamp connected to a relay. Finally you will understand how to make an application that allows you to write messages and send them to the Arduino to be displayed on an LCD and a remote-controlled robot. The final section explains methods for adding ads to your app and uploading it to the Play Store to make passive income.